The centre of gravity of a semicircle lies at a distance of _____ from its base measured along the vertical radius.

(8r/3)

(4r/3xPie)

(3r/4xPie)

(3r/8)

same at every point on its line of action

maximum, if it acts at the centre of gravity of the body

different at different points on its line of action

minimum, if is acts at the centre of gravity of the body

bottom fibre

top firbre

neutral axis

centre of gravity

0.002543 amp, 1.50 h.p

2.2543 amp, 1.46 h.p.

2.543 amp, 1.52 h.p.

None of the above

zero

(Pie/4)

(Pie/2)

(Pie/6)